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Audiobot Notes
Peak SPL

127.6 dB

This was approximated from the source output at 32 Ω

Damping factor 35.0
HiFiMAN HE-400i
HiFiMAN HE-400i
Impedance 35 Ω
Efficiency 93.0 dB SPL/mW
Frequency Response 20 - 35,000 Hz
Transducer Type Planar magnetic
Operating Principle Open
Ear Coupling Over-ear
Price History
Current $185.00
Highest $469.95
Lowest $185.00
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iFi Audio Micro iDSD
iFi Audio Micro iDSD
Type Solid state
Output Impedance 1.0 Ω
Power Output 1,560 mW at 64 Ω
3,125 mW at 32 Ω
4,000 mW at 16 Ω
Portable
Additional Notes
This amp has three modes: Eco, Normal, and Turbo, each with varying power outputs intended for different types of headphones. The values listed on this page are only for the Turbo mode. Please see iFi's website for complete specs.
Price History
Current $722.65
Highest $741.50
Lowest $722.65
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